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Volume 13, Issue 2 , Pages 123-132 , February 2012

Move over LOCF: Principled methods for handling missing data in sleep disorder trials

Maren K. Olsen
- Center for Health Services Research in Primary Care, VA Medical Center, Durham, NC, USA
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA
- Corresponding author at: HSR&D (152), Durham Veterans Affairs Medical Center, 508 Fulton Street, Durham, NC 27705, USA. Tel.: +1 919 286 0411x4052; fax: +1 919 416 8025.
Karen M. Stechuchak
- Center for Health Services Research in Primary Care, VA Medical Center, Durham, NC, USA
Jack D. Edinger
- Psychology Service, VA Medical Center, Durham, NC, USA
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, USA
Christi S. Ulmer
- Center for Health Services Research in Primary Care, VA Medical Center, Durham, NC, USA
- Psychology Service, VA Medical Center, Durham, NC, USA
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC, USA
Robert F. Woolson
- Center for Health Services Research in Primary Care, VA Medical Center, Durham, NC, USA
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA